net/bonding: fix selection logic
authorKrzysztof Kanas <kkanas@marvell.com>
Wed, 13 Nov 2019 08:22:24 +0000 (09:22 +0100)
committerFerruh Yigit <ferruh.yigit@intel.com>
Wed, 20 Nov 2019 16:36:06 +0000 (17:36 +0100)
Arrays agg_count and agg_bandwidth should be indexed by slave_id not by
aggregator port_id.

The new_agg_id should be chosen as slave_id from slaves table in
different selection modes.

Fixes: 6d72657ce379 ("net/bonding: add other aggregator modes")
Cc: stable@dpdk.org
Signed-off-by: Krzysztof Kanas <kkanas@marvell.com>
Acked-by: Chas Williams <chas3@att.com>
Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>
drivers/net/bonding/rte_eth_bond_8023ad.c

index 05b3004..b77a37d 100644 (file)
@@ -673,9 +673,8 @@ selection_logic(struct bond_dev_private *internals, uint16_t slave_id)
        uint64_t agg_bandwidth[RTE_MAX_ETHPORTS] = {0};
        uint64_t agg_count[RTE_MAX_ETHPORTS] = {0};
        uint16_t default_slave = 0;
-       uint16_t mode_count_id;
-       uint16_t mode_band_id;
        struct rte_eth_link link_info;
+       uint16_t agg_new_idx = 0;
        int ret;
 
        slaves = internals->active_slaves;
@@ -696,8 +695,8 @@ selection_logic(struct bond_dev_private *internals, uint16_t slave_id)
                                slaves[i], rte_strerror(-ret));
                        continue;
                }
-               agg_count[agg->aggregator_port_id] += 1;
-               agg_bandwidth[agg->aggregator_port_id] += link_info.link_speed;
+               agg_count[i] += 1;
+               agg_bandwidth[i] += link_info.link_speed;
 
                /* Actors system ID is not checked since all slave device have the same
                 * ID (MAC address). */
@@ -718,22 +717,22 @@ selection_logic(struct bond_dev_private *internals, uint16_t slave_id)
 
        switch (internals->mode4.agg_selection) {
        case AGG_COUNT:
-               mode_count_id = max_index(agg_count, slaves_count);
-               new_agg_id = mode_count_id;
+               agg_new_idx = max_index(agg_count, slaves_count);
+               new_agg_id = slaves[agg_new_idx];
                break;
        case AGG_BANDWIDTH:
-               mode_band_id = max_index(agg_bandwidth, slaves_count);
-               new_agg_id = mode_band_id;
+               agg_new_idx = max_index(agg_bandwidth, slaves_count);
+               new_agg_id = slaves[agg_new_idx];
                break;
        case AGG_STABLE:
                if (default_slave == slaves_count)
-                       new_agg_id = slave_id;
+                       new_agg_id = slaves[slave_id];
                else
                        new_agg_id = slaves[default_slave];
                break;
        default:
                if (default_slave == slaves_count)
-                       new_agg_id = slave_id;
+                       new_agg_id = slaves[slave_id];
                else
                        new_agg_id = slaves[default_slave];
                break;